Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp5382747pxu; Thu, 22 Oct 2020 00:13:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxtqSvFsld2RXjl99bMryY0jHzsP8JsDqL+AggZtkQJW5gSC4bojFF5fMSC7uYc+nPZyhXf X-Received: by 2002:a05:6402:94f:: with SMTP id h15mr978431edz.12.1603350804967; Thu, 22 Oct 2020 00:13:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1603350804; cv=none; d=google.com; s=arc-20160816; b=R/sIiQAB4kjENDJ1jT28oA/MDEdzWa2bqJ8ZSrbEDgxSwWIFccYYK/uDx4sDuIqsIX I147BfhAlv8qmzXwLWZ2u1Z/CtXbpsVcetlDfhhOFEtkooXHE3gmbysSl8wF/zwwBkAM U0JVN15xD6dSTrI4YOttjAtydGItPxMtC2z42JmqwKOK0fzEmQc6TPrz9nZZuX7wB06J 5emzvL1128yi7iuyJJUPaXAnh6uJ/17qtGoavtJJHABMcR+9nrcx+7EXu9muuG03XL2i hs5CQ9iCYhF4XaYKC8JTEXdgPwKzZoWGzipPLb2aP2xKUdpeqG2S5w/OlPeoSq7Mx/5k EolA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:cc:to:from :dkim-signature; bh=d1bkEZ5rh/dBhb2FK/4JrVWQ03U+oIOsEj7hVLk1tbE=; b=NwyeSPN9yohygVvtjWpPCRvYPxfCIqgT5KqYYxB8jv8HZ8YmrLY83YnG2BcW1Sdxl0 RpQ8NIg4JDGFXn+ThXZOyGs6epzs1uaqBW/l/CXri+EL7HatQqBwXRV9kJ3wgyqtj5CU Pns52PktF8VX+/hjiVPjYiEPclGJrP+GPcUsc1jXYIr8iR2JzlYsfdojIio0wZoorRhh CkJbDuhoju2yRom7RgBVYuVWSrSEqvJCLNgBtOUUCTd7BBF1NuSzgpQ7AN141qC0TcR4 iMmeM8Fsh7FhZwmTdxpJx195dzPCCoZqwq3m90a2yo3yy9jGRPHujLQsRxPdTsrla3bX JAYg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@synopsys.com header.s=mail header.b=ZSInftFp; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=synopsys.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x20si371192ejj.156.2020.10.22.00.13.02; Thu, 22 Oct 2020 00:13:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@synopsys.com header.s=mail header.b=ZSInftFp; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=synopsys.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2505835AbgJUVMd (ORCPT + 99 others); Wed, 21 Oct 2020 17:12:33 -0400 Received: from smtprelay-out1.synopsys.com ([149.117.73.133]:55576 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2505830AbgJUVMd (ORCPT ); Wed, 21 Oct 2020 17:12:33 -0400 Received: from mailhost.synopsys.com (mdc-mailhost2.synopsys.com [10.225.0.210]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id ACA014017F; Wed, 21 Oct 2020 21:12:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1603314752; bh=d1zs99Yld9s2RHCZmSsagEGcX6j+DDeOamZ2x71qpRA=; h=From:To:Cc:Subject:Date:From; b=ZSInftFpwvUMRUx14/xl4CsFWgoK19XF47WJ2gpENTe3BXSluldHFCTqiiWTGqifc r9JEn/RcdaQFlyud9jEIhz3s9mwxHCoaG78fpi6cgJCBICdDP3HILm7rVeLFDJ18be i2QpHvQpz6nHoPp10EjBaTpFS5pA82yvi6L8DYZkH8AmbwuBwFb8LkPQSP5UXJRkkv YapIYIzqnclsEV2NlQQrq0RV3M0LKS148z9CXUYJI+La1E+aD1LlSovWJVDOh5a2Oy UTQbeB2y7cyVATYP0fRW8bRj7HyLLMmsDNUmJME6scwPA+CI2LeqsvX/Qx1ahGzO+i Q7BSLHyUn+1og== Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by mailhost.synopsys.com (Postfix) with ESMTP id D44A8A01F0; Wed, 21 Oct 2020 21:12:28 +0000 (UTC) X-SNPS-Relay: synopsys.com From: Gustavo Pimentel To: Vineet Gupta Cc: Joao Pinto , Gustavo Pimentel , linux-snps-arc@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARC: bitops: Remove unecessary operation and value Date: Wed, 21 Oct 2020 23:12:20 +0200 Message-Id: <21124fbdd2ebfe150cc750f673a31e89d6fe5752.1603314740.git.gustavo.pimentel@synopsys.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The 1-bit shift rotation to the left on x variable located on 4 last if statement can be removed because the computed value is will not be used afront. Signed-off-by: Gustavo Pimentel --- arch/arc/include/asm/bitops.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index 50eb3f6..8cddddc 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -297,10 +297,8 @@ static inline int constant_fls(unsigned int x) x <<= 2; r -= 2; } - if (!(x & 0x80000000u)) { - x <<= 1; + if (!(x & 0x80000000u)) r -= 1; - } return r; } -- 2.7.4